Ranking the top 10 freshman QBs in college football - ESPN

Evaluating freshman quarterbacks is an inexact science. No situations are the same and supporting cast, scheme and maturity all factor heavily into how quickly young passers adjust. There are always growing pains along the way, but through the first half of the season, these 10 freshmen (including redshirts) have exceeded expectations.

Let's take a look at the list which includes four freshman QBs leading top-25 programs.

Watch college football and much more in the newly enhanced ESPN App. Stream the biggest games

Carr is one of college football's most poised quarterbacks regardless of class. The redshirt freshman wasn't the reason Notre Dame lost to Miami or Texas A&M — in fact, he kept the Irish in contention. Carr ranks seventh nationally in QBR (86.3) because of his decision-making and accuracy. He has lost just 25 yards on negative plays through five weeks and has done a remarkable job protecting the football, tossing 11 touchdowns to just two interceptions.

The 6-foot-3, 210-pounder has the size and arm talent to make every throw, plus terrific mental toughness and competitiveness. The former No. 2 pocket passer in the ESPN 300, has the makings of a future top-five NFL draft pick.

Yes, Sayin benefits from one of the best supporting casts in the country, but he has done his part by making the right decisions. The redshirt freshman has been an efficient distributor and wonderful game-manager who doesn't put the ball in harm's way. His 80.2% completion percentage through six weeks leads the nation, and he completed 85% of his passes in a rout of Minnesota.

He has thrown 13 touchdowns to three interceptions with poise, confidence and a knack for making clutch plays. Expect more explosive plays to come as the former